Optical pickoff provides satisfactory solution to problem of sensing attitude of aerostatic, electrostatic and cryomagnetic field-suspended spherical-rotor gyros that are invariably operated in space-fixed mode; servos in gimbaled gyros are controlled by optical pickoff to maintain pickoff aligned with rotor, usually parallel to rotor spin axis; operating principles of two types of pickoff, autocollimator and autoreflector, are explained and their performance evaluated; autocollimator accuracy falls in one-tenth to one arc-sec region; autoreflector accuracy is about 1 μ in.; strapdown readout system is capable of measuring with 10 to 100 arc-sec accuracy.


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    Titel :

    Introduction to gyro optical pickoffs


    Weitere Titelangaben:

    J Spacecraft Rockets


    Beteiligte:
    Vyce, J.R. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1965


    Format / Umfang :

    8 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :



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